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Ecosystem
All the living and nonliving things in an environment
herbivore
animals that eat plants
food chain
the transfer of energy from one organism to another by eating and being eaten***Starts with the sun
Different types of ecosystems
Tundra, Rain Forests, Deserts, Grasslands, Wetlands
Give an example of a food chain.
Ex. Sun, ferns, deer, mountain lion
Population
All the members of one species that live within an area of an ecosystem
carnivore
animals that eat other animals
food web
a system of overlapping food chains. Flow of energy branches in many directions
Main energy source in an ecosystem
The sun
How can animals affect their environment?
Ex. Beavers build dams and cut down trees
Habitat
The area or place where an organism lives in an ecosystem
omnivore
Eat plants and other animals
Competition
occurs when 2 or more living things need the same resources to survive
Give an example of a producer, consumer, and decomposer
Plant, animal, bacteria
How do plants change their environment?
Spread and take over other plants
Producer
Plants because they make their own food
decomposer
Organisms that break down plant and animal waste and remains
Erosion
wearing away
What is an effect of an animal population suddenly disappearing?
Their food source would increase, and animals that depended on them would decrease
What do plants compete for?
Light and space to grow
Consumer
Living things that eat other living things
energy pyramid
a diagram that shows the amount of energy flow from producers to consumers
resource
something needed to survive
What is passed along in a food chain?
Energy
What do animals compete for?
Food